| EPSP | Excitatory Post-Synaptic Potential; ÈïºÐ¼º ½Ã³À½ºÈÄ ÀüÀ§ |
|---|---|
| IPSP | Inhibitory Post-Synaptic Potential; ¾ïÁ¦¼º ½Ã³À½ºÈÄ ÀüÀ§ |
| CPSC | congenital paucity of secondary synaptic clefts [syndrome]; Consumer Products Safety Commission |
| ESP | early systolic paradox; echo spacing; effective sensory projection; effective systolic pressure; end... |
| HSPM | hippocampal synaptic plasma membrane |
| EPSP | Excitatory post-synaptic potentials |
|---|---|
| IPSC | inhibitory post-synaptic current |
| LTD | Long-term synaptic depression |
| LTP | Long-term synaptic potentiation |
| PSD | Post Synaptic Density |
| Reil's ribbon | A band of white fibres originating from the gracile and cuneate nuclei and decussating in the lower medulla; thence it passes upward through the centre of the medulla oblongata, close to the median raphe; on entering the pons it spreads out laterally to form a flat band ascending over the dorsal border of the pontine nuclei; in the mesencephalon it passes over the dorsal border of the substantia nigra and is displaced laterally by the red nucleus; passing medial to the medial geniculate body, the bundle enters and terminates in the ventral posterior nucleus of the thalamus. Throughout their course, the fibres retain a somatotopic order such that those originating from the gracile nucleus and representing the lower extremity lie lateral to those originating in the cuneate nucleus and representing the arm. The medial lemniscus conveys somatic-sensory information involved in tactile discrimination (two-point discrimination), position sense, and vibration sense. Synonym: lemniscus medialis, medial fillet, Reil's band, Reil's ribbon. (05 Mar 2000) |
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| ribbon | 1. A fillet or narrow woven fabric, commonly of silk, used for trimming some part of a woman's attire, for badges, and other decorative purposes. 2. A narrow strip or shred; as, a steel or magnesium ribbon; sails torn to ribbons. 3. Same as Rib-band. 4. Driving reins. 5. A bearing similar to the bend, but only one eighth as wide. 6. A silver. The blue ribbon, and The red ribbon, are phrases often used to designate the British orders of the Garter and of the Bath, respectively, the badges of which are suspended by ribbons of these colours. See Blue ribbon, under Blue. Ribbon fish. A tapeworm. A nemertean. Origin: OE. Riban, OF. Riban, F. Ruban, probably of German origin; cf. D. Ringband collar, necklace, E. Ring circle, and band Alternative forms: riband, ribband. Source: Websters Dictionary (01 Mar 1998) |
| ribbon arch | A thin, ribbon-shaped, rectangular orthodontic arch wire applied to the dental arch's so that its widest dimension is parallel to the labial or buccal surfaces of the teeth. (05 Mar 2000) |
| ribbon arch appliance | An appliance consisting of a rectangular wire inserted into a specially designed bracket attached to the labial and buccal surfaces of the teeth. (05 Mar 2000) |
| ribbon synapse | <biology, physiology> Ultrastructurally distinct type of synapse found in a variety of sensory receptor cells such as retinal photoreceptor cells, cochlear hair cells and vestibular organ receptors, as well as in a nonsensory neuron, the retinal bipolar cell. Unlike most neurons, these cells do not use regenerative action potentials but release transmitter in response to small graded potential changes. Ribbon synapses have different exocytotic machinery from conventional synapses in containing dense bars or ribbons anchored to the presynaptic membrane covered with a layer of synaptic vesices. The ribbons have been proposed to shuttle synaptic vesicles to exocytotic sites. (23 Aug 1998) |
| synaptic | <physiology> Pertaining to or affecting a synapse or synapsis. (10 Jan 1998) |
| synaptic boutons | The somewhat enlarged, often club-shaped endings by which axons make synaptic contacts with other nerve cells or with effector cells (muscle or gland cells). As isolated, by homogenizing brain or spinal cord, they contain acetylcholine and the related enzymes. Terminals contain neurotransmitters of various kinds, sometimes more than one. These can be demonstrated by chemical analysis and immunocytochemical methods. See: synapse. Synonym: axonal terminal boutons, end-feet, neuropodia, pieds terminaux, synaptic boutons, synaptic endings, synaptic terminals, terminal boutons, bouton terminaux. (05 Mar 2000) |
| synaptic cleft | <physiology> The narrow space between the presynaptic cell and the postsynaptic cell in a chemical synapse, across which the neurotransmitter diffuses. (10 Jan 1998) |
| synaptic conduction | The conduction of a nerve impulse across a synapse. (05 Mar 2000) |
| synaptic endings | The somewhat enlarged, often club-shaped endings by which axons make synaptic contacts with other nerve cells or with effector cells (muscle or gland cells). As isolated, by homogenizing brain or spinal cord, they contain acetylcholine and the related enzymes. Terminals contain neurotransmitters of various kinds, sometimes more than one. These can be demonstrated by chemical analysis and immunocytochemical methods. See: synapse. Synonym: axonal terminal boutons, end-feet, neuropodia, pieds terminaux, synaptic boutons, synaptic endings, synaptic terminals, terminal boutons, bouton terminaux. (05 Mar 2000) |
| synaptic membranes | Cell membranes associated with synapses. Both presynaptic and postsynaptic membranes are included along with their integral or tightly associated specializations for the release or reception of transmitters. (12 Dec 1998) |
| synaptic phase | <cell biology> The specific pairing of the chromatids of homologous chromosomes during prophase I of meiosis. It allows crossing over to take place. (18 Nov 1997) |
| synaptic resistance | The ease or difficulty with which a nerve impulse can cross a synapse. (05 Mar 2000) |
| synaptic terminals | The somewhat enlarged, often club-shaped endings by which axons make synaptic contacts with other nerve cells or with effector cells (muscle or gland cells). As isolated, by homogenizing brain or spinal cord, they contain acetylcholine and the related enzymes. Terminals contain neurotransmitters of various kinds, sometimes more than one. These can be demonstrated by chemical analysis and immunocytochemical methods. See: synapse. Synonym: axonal terminal boutons, end-feet, neuropodia, pieds terminaux, synaptic boutons, synaptic endings, synaptic terminals, terminal boutons, bouton terminaux. (05 Mar 2000) |
| synaptic transmission | <physiology> The process of propagating a signal from one cell to another via a synapse. (10 Jan 1998) |
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